On 08/11/16 10:44, Reza Arbab wrote: > When movable nodes are enabled, any node containing only hotpluggable > memory is made movable at boot time. > > On x86, hotpluggable memory is discovered by parsing the ACPI SRAT, > making corresponding calls to memblock_mark_hotplug(). > > If we introduce a dt property to describe memory as hotpluggable, > configs supporting early fdt may then also do this marking and use > movable nodes. > > Signed-off-by: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx> > --- Tested-by: Balbir Singh <bsingharora@xxxxxxxxx> I tested this with a custom device tree and it worked quite well for me. It also means that the guest and bare-metal have two different mechanisms of marking something as hotpluggable. But given that your patch enables all architectures using OF, it might be worth it. Balbir Singh. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>